| 407 Islands on the World Map | 0 | - | 4.98 | 27,997 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,075,449 |
| Island Countries Quiz | 0 | - | 4.99 | 660,826 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,489 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,709 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,621 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,058 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,295 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 82,376 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 113,660 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 88,476 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 51,865 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 111,441 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.82 | 66,119 |
| Top World Languages on a Map | 0 | - | 4.91 | 93,104 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 98,539 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,817 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,998 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,066,576 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,397,516 |
| Largest Arctic Islands with a Map | 0 | - | 4.44 | 19,139 |
| World Capitals by Map | 0 | - | 5.00 | 241,922 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,315 |
| Countries of the World in 1900 | 0 | - | 4.88 | 66,443 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 170,731 |
| All Countries by Northernmost Point on Land | 0 | - | 4.91 | 106,575 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 54,277 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 128,201 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 46,742 |
| African East Coast | 0 | - | 4.97 | 84,297 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 30,909 |
| Boundary Waters | 0 | - | 4.93 | 81,148 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,855 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 44,857 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 51,253 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 60,016 |
| Pixelated World Map | 0 | - | 5.00 | 128,338 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 87,085 |
| Countries of the World in 1444 | 0 | - | 4.98 | 49,987 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 39,520 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 69,677 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 43,767 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,589 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 223,127 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 210,456 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 275,463 |
| World's Biggest Islands Quiz | 0 | - | 4.27 | 120,632 |
| Islands With the Highest Elevation | 0 | - | 4.58 | 17,048 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 30,143 |
| Most Populous Islands | 0 | - | 4.71 | 112,812 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,383 |
| People Born on Islands | 0 | - | 4.43 | 40,120 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,967,280 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 324,193 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,196 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 352,476 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 47,516 |
| Seas on the World Map | 0 | - | 4.97 | 121,807 |
| Seas of the World | 0 | - | 5.00 | 127,825 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 85,523 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 100,153 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,372 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 83,849 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,818 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,302 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,885 |
| World Capitals Quiz | 0 | - | 5.00 | 4,500,949 |
| Members of the Arab League | 0 | - | 4.85 | 62,118 |
| Sahara Desert Countries | 0 | - | 4.97 | 127,057 |
| Himalayan Countries | 0 | - | 4.94 | 104,913 |
| Andean Countries | 0 | - | 4.91 | 58,182 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,139 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,392 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,750 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,062 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,321 |
| Danube Countries | 0 | - | 4.97 | 56,651 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,695 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,854 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,253 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,381 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,563 |
| European Landlocked Countries | 0 | - | 4.99 | 115,516 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,383 |
| Countries with the Most Species | 0 | - | 4.99 | 89,533 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,370 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,686 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,016 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,297 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,423 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,706 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,162 |
| Countries in the Alps | 0 | - | 4.84 | 102,679 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,338 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,197 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,595 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,275 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,991 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,576 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,642 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,154 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,327 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,664 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,444 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,599 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,677 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,509 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,984 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,486 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 98,111 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,350 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,399 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,400 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,940 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,288 |
| Largest Countries By Category | 0 | - | 4.96 | 144,939 |
| Countries by Countries | 0 | - | 4.96 | 54,659 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,495 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,713 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 44,719 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.79 | 36,164 |
| All Countries by Population With a Map | 0 | - | 4.99 | 62,143 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 76,801 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,232 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 134,646 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,130 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,706 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,512 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 181,309 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,940 |
| Longest International Borders | 0 | - | 4.99 | 234,233 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,972 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,119 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 46,248 |
| Mediterranean Geography on a Map | 0 | - | 4.50 | 34,626 |
| Roman Provinces on a Map | 0 | - | 4.52 | 31,815 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 94,272 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,425 |
| Demonym of Every Country | 0 | - | 4.91 | 49,581 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,564 |
| Islands by Picture | 0 | - | 4.30 | 91,918 |
| Islands by Wikipedia Descriptions | 0 | - | 4.52 | 35,132 |
| Name a Valid Island | 0 | - | 4.71 | 54,649 |
| Island Superlatives | 0 | - | 4.58 | 32,636 |
| The Same Prefixes - Geography | 0 | - | 4.50 | 42,166 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 58,554 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,179 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,383,954 |
| World Capitals on an Empty Map | 0 | - | 4.55 | 47,010 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,250 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 355,729 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.80 | 49,561 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 39,992 |
| Biggest Countries by Area | 0 | - | 5.00 | 933,632 |
| Northernmost Countries | 0 | - | 4.99 | 327,324 |
| Countries of South America | 0 | - | 5.00 | 793,982 |
| Countries of Oceania | 0 | - | 5.00 | 894,384 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,155,470 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,574,245 |
| Top World Languages | 0 | - | 4.91 | 708,380 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 29,306 |
| Countries with Three Borders | 0 | - | 4.96 | 31,447 |
| Huge List of Famous Mountains | 0 | - | 4.81 | 30,382 |
| Analogies of Countries #1 | 0 | - | 4.84 | 50,306 |
| Five Letter Geography #4 | 0 | - | 4.84 | 66,349 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 77,007 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,023 |
| Countries with Megacities | 0 | - | 4.99 | 197,439 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,700 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,038 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,507 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,994 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,131 |
| Northernmost Capital Cities | 0 | - | 4.98 | 94,054 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,756 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,388 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,857 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,368 |
| Countries by Capital City | 0 | - | 4.99 | 49,465 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,937 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,098 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,998 |
| Moved Capital Cities | 0 | - | 4.94 | 52,305 |
| Countries by Official Language | 0 | - | 4.96 | 172,623 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,395 |
| Countries in their Native Language | 0 | - | 4.98 | 178,389 |
| Independence from Whom | 0 | - | 4.99 | 185,718 |
| Subdivisions by Country | 0 | - | 4.82 | 46,448 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,523 |
| Megadiverse Countries | 0 | - | 4.96 | 125,344 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,482 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,389 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,158 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,952 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,145 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,357 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,853 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,619 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,026 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,972 |
